Cite

Untitled [Cat riding peacock]

MLA

Steinberg, Saul, 1914-1999. Untitled [Cat riding peacock]. Box 525 (Oversize), folder 7123. undated. https://collections.library.yale.edu/catalog/16855235.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 525 (Oversize), folder 7123"])(undated)[Untitled [Cat riding peacock]]. https://collections.library.yale.edu/catalog/16855235.